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Internal Frame Backpacks

(256 products)
Products (256)
Remove frame-type filter:Internal Frame
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    REI Co-opTrail 25 Pack
    $99.95
    197 reviews with an average rating of 4.3 out of 5 stars
    Gear Capacity:
    25 liters
    Weight:
    1.81 to 1.87 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated
    OspreyAether 65 Pack - Men's
    $370.00
    106 reviews with an average rating of 4.6 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    65 to 68 liters
    Weight:
    4.92 to 4.96 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI Co-opTrail 40 Pack - Men's
    $159.00
    59 reviews with an average rating of 4.4 out of 5 stars
    Gear Capacity:
    40 to 41 liters
    Weight:
    2.75 to 3 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated
    GregoryDeva 70 Pack - Closeout - Women's
    $226.73 - $299.73
    Save 25% - 40%
    compared to  $379.95 - $399.95
    59 reviews with an average rating of 4.5 out of 5 stars
    Trip Length/Capacity:
    Multiday, Extended
    Gear Capacity:
    65 to 75 liters
    Weight:
    4.7 to 5.1 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    Top Rated
    GregoryParagon 60 Pack - Men's
    $299.95
    11 reviews with an average rating of 4.8 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    56 to 60 liters
    Weight:
    3.53 to 3.73 lbs
    Features:
    Reservoir Compatible
    REI Co-opTraverse 60 Pack - Women's
    $269.00
    12 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 to 62 liters
    Weight:
    4.31 to 4.75 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    OspreyAether 55 Pack - Men's
    $350.00
    54 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 to 58 liters
    Weight:
    5.03 to 5.06 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI Co-opFlash Air 50 Pack - Men's
    $299.00
    49 reviews with an average rating of 4.1 out of 5 stars
    Trip Length/Capacity:
    Weekend, Multiday
    Gear Capacity:
    49 to 51 liters
    Weight:
    1.81 to 1.94 lbs
    Features:
    Ultralight
    Reservoir Compatible
    Top Rated
    OspreyTempest 22 Pack - Women's
    $175.00
    66 reviews with an average rating of 4.7 out of 5 stars
    Gear Capacity:
    22 liters
    Weight:
    2.38 to 2.98 lbs
    Features:
    Reservoir Compatible
    GregoryDeva 60 Pack - Closeout - Women's
    $208.73 - $276.73
    Save 25% - 40%
    compared to  $349.95 - $369.95
    9 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 to 65 liters
    Weight:
    4.61 to 4.96 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    Top Rated
    DeuterAircontact Core 65 + 10 Pack - Men's
    $181.73
    Save 30%
    compared to  $260.00
    13 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Extended, Multiday
    Gear Capacity:
    75 liters
    Weight:
    5.16 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    Top Rated
    OspreyAtmos AG 65 Pack - Men's
    $370.00
    159 reviews with an average rating of 4.5 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    65 to 68 liters
    Weight:
    4.61 to 4.81 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated
    OspreyHikelite 26 Pack
    $135.00
    12 reviews with an average rating of 4.8 out of 5 stars
    Gear Capacity:
    26 liters
    Weight:
    1.8 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    GregoryJade 28 Pack - Women's
    $199.95
    54 reviews with an average rating of 4.0 out of 5 stars
    Gear Capacity:
    28 liters
    Weight:
    2.92 to 3.05 lbs
    Features:
    Reservoir Compatible
    Top Rated
    REI Co-opTrailmade 60 Pack - Women's
    $189.00
    9 reviews with an average rating of 4.7 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 liters
    Weight:
    3.19 to 3.31 lbs
    Features:
    Reservoir Compatible
    Top Rated
    OspreyStratos 24 Pack - Men's
    $200.00
    8 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    24 liters
    Weight:
    2.95 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Hyperlite Mountain GearUnbound 40 Pack
    $385.00 - $405.00
    4 reviews with an average rating of 4.8 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    40 liters
    Weight:
    1.92 to 2.05 lbs
    Features:
    Ultralight
    REI Co-opFlash 55 Pack - Women's
    $229.00
    84 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    53 to 57 liters
    Weight:
    2.62 to 2.75 lbs
    Features:
    Ultralight
    Reservoir Compatible
    OspreyAura AG 65 Pack - Women's
    $370.00
    54 reviews with an average rating of 4.4 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    62 to 65 liters
    Weight:
    4.47 to 4.6 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated
    REI Co-opTrailmade 60 Pack - Men's
    $189.00
    12 reviews with an average rating of 4.5 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 liters
    Weight:
    3.31 to 3.5 lbs
    Features:
    Reservoir Compatible
    Top Rated
    MatadorBeast 18 Technical Pack
    $148.95
    18 reviews with an average rating of 4.5 out of 5 stars
    Gear Capacity:
    18 liters
    Weight:
    1.31 lbs
    Features:
    Reservoir Compatible
    Top Rated
    REI Co-opTraverse 35 Pack - Women's
    $179.00
    12 reviews with an average rating of 4.7 out of 5 stars
    Gear Capacity:
    35 liters
    Weight:
    3.19 to 3.44 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    NEMOPersist 30 L Endless Promise All-Adventure Pack - Women's
    $229.95
    4 reviews with an average rating of 4.8 out of 5 stars
    Gear Capacity:
    30 liters
    Weight:
    3.07 lbs
    Features:
    Reservoir Compatible
    DeuterTrail 28 SL Pack - Women's
    $155.00
    13 reviews with an average rating of 4.4 out of 5 stars
    Gear Capacity:
    28 liters
    Weight:
    2.37 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated
    OspreySirrus 24 Pack - Women's
    $200.00
    11 reviews with an average rating of 4.5 out of 5 stars
    Gear Capacity:
    24 liters
    Weight:
    3.23 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI Co-opFlash 55 Pack - Men's
    $229.00
    97 reviews with an average rating of 4.1 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    53 to 57 liters
    Weight:
    2.75 to 2.87 lbs
    Features:
    Ultralight
    Reservoir Compatible
    Top Rated
    NEMOResolve 25 L Endless Promise Technical Active Pack - Men's
    $124.73
    Save 30%
    compared to  $179.95
    8 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    25 liters
    Weight:
    2.4 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    OspreyAtmos AG LT 65 Pack - Men's
    $320.00
    28 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    65 to 68 liters
    Weight:
    4.07 to 4.24 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Hyperlite Mountain GearSouthwest 55 Pack
    $420.00
    8 reviews with an average rating of 3.9 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 liters
    Weight:
    1.86 to 2.04 lbs
    Features:
    Ultralight
    Reservoir Compatible
    Top Rated
    OspreyStratos 34 Pack - Men's
    $225.00
    8 reviews with an average rating of 4.9 out of 5 stars
    Gear Capacity:
    34 liters
    Weight:
    3.36 lbs
    Features:
    Reservoir Compatible
    Raincover Included
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